Java Program to find reverse of entered number

import java.util.Scanner;

class Reverse
{
     public static void main(String args[])
     {
          int num, copynum, reverse = 0;
           
          System.out.println("Enter the number to make a reverse");
           
          Scanner obj = new Scanner(System.in);
          
          num = obj.nextInt(); 
          copynum=num;
           
          while(num != 0)
          { 
               reverse = reverse * 10;
               reverse = reverse + num%10;
               num = num/10;
          }
           
          System.out.println("Reverse of " + copynum + " is " + reverse);
     }    
}     


Output: